Call when an agent needs SRV records at _mqtt._tcp.{hostname} for MQTT. The caller sends the registrable domain, not the underscored name. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-mqtt first.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.009000 USDC | 0x1D61...5a38 |